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Finding the Fourth Proportional to 115,863.75, 173,758.77 and 36,959.76

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Solution

The fourth proportional to 115,863.75, 173,758.77 and 36,959.76 is: 55,427.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,863.75 : 173,758.77 = 36,959.76 : x
  2. Step 2: Convert to fraction form
    115,863.75/173,758.77 = 36,959.76/x
  3. Step 3: Cross multiply
    115,863.75x = 173,758.77 × 36,959.76
  4. Step 4: Simplify right side
    115,863.75x = 6,422,082,437.10
  5. Step 5: Solve for x
    x = 6,422,082,437.10/115,863.75
  6. Step 6: Final answer
    x = 55,427.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.